<template>
  <div class='icons'>
    <swiper :options="swiperOption">
      <swiper-slide v-for='(page, index) of pages' :key='index'>
        <div class='icon' v-for='item in page' :key='item.id'>
          <div class='icon-img'>
            <img class='icon-img-content' :src='item.imgUrl'>
          </div>
          <p class='icon-desc'>{{item.desc}}</p>
        </div>
      </swiper-slide>
    </swiper>
  </div>
</template>

<script>
export default {
  name: 'HomeIcons',
  props: {
    list: Array
  },
  data () {
    return {
      swiperOption: {
        autoplay: false
      }
    }
  },
  computed: {
    pages () {
      const pages = []
      this.list.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>

<style lang='stylus' scoped>
@import '~styles/varibles.styl'
@import '~styles/mixins.styl'
.icons>>> .swiper-container {
  height: 0
  padding-bottom: 50%
}
.icons
  margin-top: .1rem
  .icon {
    position: relative
    float: left
    width: 25%
    padding-bottom: 25%

    .icon-img {
      position: absolute
      top: 0
      left: 0
      right: 0
      bottom: 0.44rem
      box-sizing: border-box
      padding: 0.1rem

      .icon-img-content {
        height: 100%
        display: block
        margin: 0 auto
        height: 100%
      }
    }

    .icon-desc {
      position: absolute
      left: 0
      right: 0
      bottom: 0
      height: 0.44rem
      line-height: 0.44rem
      color: $darkTextColor
      text-align: center
      ellipsis()
    }
  }
</style>
